patch applied (ghc): Make "make tags" work in the new build system

[Ian Lynagh]

Sun Feb 21 08:44:32 PST 2010  Ian Lynagh <igloo at earth.li>
  * Make "make tags" work in the new build system

     ./utils/ghctags/GhcTags.hs -> ./utils/ghctags/Main.hs
    M ./compiler/ghc.mk +3
    M ./ghc.mk +6
    A ./rules/tags-package.mk
    M ./utils/ghctags/Main.hs -49 +39
    R ./utils/ghctags/Makefile

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20100221164432-3fd76-28766847d8803cdc5899feeea4fa24cbb8bd5ca5.gz